Fix warnings

YesNt.Interpreter/Statements/CodeFlowStatements.cs

@@ -170,6 +170,7 @@ internal class CodeFlowStatements : StatementRuntimeInformation
     [Statement("end_if", SearchMode.Exact, SpaceAround.None, ConsoleColor.Green, IsBlockEnd = true)]
     public void EndIf(string _)
     {
+        // Intentionally empty: end_if is a block-boundary marker only; no runtime action needed.
     }
 
     [Statement("while", SearchMode.StartOfLine, SpaceAround.End, ConsoleColor.Green, Priority = Priority.VeryLow, Separator = ":", BlockPair = "end_while")]

YesNt.Interpreter/Statements/StringLiteralStatements.cs

@@ -19,6 +19,7 @@ internal class StringLiteralStatements : StatementRuntimeInformation
 
         StringBuilder output = new StringBuilder(args.Length);
 
+#pragma warning disable S127 // i is intentionally advanced to track position within quoted literals and escape sequences
         for (int i = 0; i < args.Length; i++)
         {
             char current = args[i];
@@ -50,6 +51,7 @@ internal class StringLiteralStatements : StatementRuntimeInformation
 
                 _ = literal.Append(ch);
             }
+#pragma warning restore S127
 
             if (!closed)
             {